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Date:      Fri, 13 Sep 2002 11:23:31 -0400 (EDT)
From:      John Baldwin <jhb@FreeBSD.org>
To:        Danny Braniss <danny@cs.huji.ac.il>
Cc:        Doug White <dwhite@gumbysoft.com>, freebsd-hackers@FreeBSD.ORG, Brooks Davis <brooks@one-eyed-alien.net>
Subject:   Re: AP #1 (PHY# 6) failed!
Message-ID:  <XFMail.20020913112331.jhb@FreeBSD.org>
In-Reply-To: <E17pkfW-00065i-00@cse.cs.huji.ac.il>

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On 13-Sep-2002 Danny Braniss wrote:
> 
>> The method in which we kick the AP's to wake them up might not be quite
>> right.  We have some hacks to handle erratic behavior on older CPU's
>> (P5's and PentiumPro's) that perhaps the P4 chips don't like.  Could
>> someone with one of these boards try an SMP kernel from current?  Peter
>> has done some changes related to PSE and PG_G on current that might have
>> an effect.  Also, could people try using 'options DISABLE_PSE' and see
>> if that happens to make a difference?
> 
> report:
>       1- compiled an smp kernel (-current from about DP1/June):
>               failes like -stable
>       2- stable with DISABLE_PSE
>               failes
>       3- current as of yesterday (12th of September).
>               failes like -stable
>       4- like 3 but with 'options DISABLE_PSE'
>               failes like -stable
> btw, i switched cpus around, so i don't think the cpu is to blame.
> any other help i can supply, just ask,

Hmm, ok.  Someone mentioned something about ACPI so let me sit down and
right an ACPI MADT table parser and try to let you use that to compare
it to the mptable.

-- 

John Baldwin <jhb@FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/

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